diff --git a/po/ko.po b/po/ko.po
index 35bdb9a2f..813d1debb 100644
--- a/po/ko.po
+++ b/po/ko.po
@@ -1267,7 +1267,7 @@ msgstr ""
 
 #: js/messages.php:164
 msgid "Hour"
-msgstr ""
+msgstr "시"
 
 #: js/messages.php:165
 #, fuzzy